Senior Frontend Engineer - Fintech Wallets (Remote)

CookUnity; Ciudad de Mendoza; Remote; ARS 85,158,000 - 138,382,000; Full time

Benefits offered by this job

Contractor agreement with USD payments

100% remote work in international team

Argentine public holidays

Job summary

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing US fintech ecosystem, focused on a Digital Wallet for cross-border payments. You will build intuitive wallet features, turning UX/UI designs into production-ready interfaces and collaborating across product, design, and backend teams.

You will work with AI-assisted coding tools, contribute to frontend architecture, and help optimize performance and accessibility in a global, remote team.

Qualifications

• Strong hands-on experience with React, JavaScript, and TypeScript.
• Experience building fintech applications, digital wallets, or payment platforms.
• Solid understanding of UX principles, usability, interaction design, and user-centered development.
• Proven track record of building polished, production-ready user interfaces.

Responsibilities

• Design, develop, and maintain high-quality user interfaces for a Digital Wallet.
• Translate UX/UI designs into functional applications.
• Collaborate with product and design teams to improve user journeys and usability.
• Own features end to end, from requirements through delivery.

Skills

React

JavaScript

TypeScript

Fintech applications

Digital wallets

UX principles

UI design

AI-assisted coding tools

REST APIs

BFF architectures

Job description

Darwoft is seeking a Senior Frontend / UX Engineer to join a fast-growing US fintech ecosystem, focused on a Digital Wallet for cross-border payments. You will build intuitive wallet features, turning UX/UI designs into production-ready interfaces and collaborating across product, design, and backend teams.

You will work with AI-assisted coding tools, contribute to frontend architecture, and help optimize performance and accessibility in a global, remote team.